Home / 472,825,974.30-709,238,961.45-291,427,446.30

Finding the Fourth Proportional to 472,825,974.30, 709,238,961.45 and 291,427,446.30

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Solution

The fourth proportional to 472,825,974.30, 709,238,961.45 and 291,427,446.30 is: 437,141,169.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,825,974.30 : 709,238,961.45 = 291,427,446.30 : x
  2. Step 2: Convert to fraction form
    472,825,974.30/709,238,961.45 = 291,427,446.30/x
  3. Step 3: Cross multiply
    472,825,974.30x = 709,238,961.45 × 291,427,446.30
  4. Step 4: Simplify right side
    472,825,974.30x = 206,691,699,351,837,664
  5. Step 5: Solve for x
    x = 206,691,699,351,837,664/472,825,974.30
  6. Step 6: Final answer
    x = 437,141,169.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.